| Anno | Firme | Importi | Media | Enti |
|---|---|---|---|---|
| 2006 | 336 | 7.646,27 | 22,76 | 6 |
| 2007 | 162 | 3.558,20 | 21,96 | 4 |
| 2008 | 215 | 4.510,08 | 20,98 | 3 |
| 2009 | 225 | 5.310,63 | 23,60 | 4 |
| 2010 | 237 | 4.715,69 | 19,90 | 5 |
| 2011 | 249 | 4.377,59 | 17,58 | 3 |
| 2012 | 390 | 9.572,49 | 24,54 | 7 |
| 2013 | 576 | 15.202,34 | 26,39 | 8 |
| 2014 | 616 | 19.506,51 | 31,67 | 6 |
| 2015 | 341 | 10.454,69 | 30,66 | 4 |
| 2016 | 335 | 9.699,51 | 28,95 | 5 |
| 2017 | 319 | 9.860,97 | 30,91 | 5 |
| 2018 | 176 | 4.622,34 | 26,26 | 5 |
| 2019 | 156 | 4.328,04 | 27,74 | 4 |
| 2020 | 150 | 4.122,94 | 27,49 | 4 |
| 2021 | 470 | 15.278,08 | 32,51 | 7 |
| 2022 | 536 | 17.764,32 | 33,14 | 7 |
| 2023 | 737 | 24.531,42 | 33,29 | 10 |
| 2024 | 811 | 26.910,04 | 33,18 | 10 |
| totale | 7.037 | 201.972,15 | 28,70 | 107 |